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الثلاثاء 22 يونيو 2021 | 06-08-2021
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محتويات

المجهر الالكتروني النفاذ Transmission Electron Microscope

* The working principle of the Transmission Electron Microscope (TEM) is similar to the light microscope.The major difference is that light microscopes use light rays to focus and...

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المجهر الالكتروني الماسح scanning electron microscope

المجهر الإلكتروني الماسح: يقوم بتركيز شعاع الإلكترونات بحيث يضرب نقطة صغيرة في العينة، ثم تمسح العينة بعد ذلك مسحًا عادياً كمسح صورة تلفازية *

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مطيافيه رامان Raman Spectroscopy

Raman spectroscopy is an analytical technique where scattered light is used to measure the vibrational energy modes of a sample. It is named after the Indian physicist C. V. Raman who,...

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مجهر القوة الذريه Atomic Force Microscopy

AFM مجهر القوة الذرية Atomic Force Microscopy هو التقنية المفضلة لرؤية جسيمات الحمض النووي DNA النانوية، ويقوم مجهر القوة الذرية بعمل قياسات كمية ثلاثية الأبعاد.

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تجربة Stern–Gerlach

The Stern-Gerlach experiment had a profound effect on the scientific community in the early part of the twentieth century. In 1922 Stern and Gerlach measured the possible values of the magnetic...

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تجربة جول حفظ الطاقة the conservation of energy

Suppose you want to run a marathon. A basic law of science called the conservation of energy tells us you need to fill your body with "42 km (26 miles) worth of food." Or say you...

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تجربة أورستيد Oersted Experiment

Oersted's Experiment

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تجربة رذرفورد-غايغر-مارسدن the-rutherford-geiger-marsden-experiment

The Rutherford-Geiger-Marsden Experiment April 11, 2017 Alpha Spectroscopy,*English Posts*25,288 Views What made by*Rutherford*and his assistants*Geiger*and*Marsden*is perhaps>The...

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طاقة الوضع الكهربية Electric Potential

Electric Potential In the previous lecture, we’ve talked about*electric potential energy*which is dependent upon the charge of the object experiencing the*electric field. Now, we’re going to...

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المجال الكهربائي Electric Field

In this lecture we will learn about electric field, the properties of the electric field lines, and the superposition principle. You can watch the following video or read the written tutorial...

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المكثفات Series and Parallel Capacitors

  When capacitors are connected in series, the total capacitance is less than any one of the series capacitors’ individual capacitances. If two or more capacitors are connected in...

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العدسات المحدبة والمقعرة Convex and Concave Lens

Difference Between Convex and Concave Lens   The lens is understood as a curved and transparent piece of glass or plastic, which focuses and refracts light rays in a certain manner. The...

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